package keke;

import java.util.*;
enum Grade{A,B,C,D,E}
public class Main3 {
	public static void main(String[] args) 
	{
 		Scanner in = new Scanner(System.in);
		
		while(in.hasNextInt())
		{int score = in.nextInt();
			Grade score1=getGrade(score);
			switch(score1)
			{
			case A:
				System.out.println("Excellent");
				printGradeInfo(score1); 
				break;
			case B:
				System.out.println("Good");
				printGradeInfo(score1);
				break;
			case C:
				System.out.println("Average");  
				printGradeInfo(score1);
				break;
			case D:
				System.out.println("Fair");
				printGradeInfo(score1);
				break;
			case E:
				System.out.println("Poor");
				printGradeInfo(score1);
				break;
			default:
				break;
			}
	}
}

	private static Grade getGrade(int score) {
		if(score>=90&&score<=100)
			return Grade.A;
		else if(score>=80&&score<90)
			return Grade.B;
		else if(score>=70&&score<80)
			return Grade.C;
		else if(score>=60&&score<70)
			return Grade.D;
		else
			return Grade.E;
	}
	public static void printGradeInfo(Grade grade){
	       System.out.println("class name="+Grade.class);
	       System.out.println("grade value="+grade);
	}
}
